From 1cee8998a0e423265d7e99feb6a74d627fc306ca Mon Sep 17 00:00:00 2001
From: Hakim El Hattab
Date: Fri, 17 Feb 2017 10:50:52 +0100
Subject: fix overview rendering issues in latest chrome #1649

---
 js/reveal.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'js/reveal.js')

diff --git a/js/reveal.js b/js/reveal.js
index d31d591..5325beb 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -1797,6 +1797,10 @@
 			updateProgress();
 			updateParallax();
 
+			if( isOverview() ) {
+				updateOverview();
+			}
+
 		}
 
 	}
@@ -2012,11 +2016,14 @@
 	 */
 	function updateOverview() {
 
+		var vmin = Math.min( window.innerWidth, window.innerHeight );
+		var scale = Math.max( vmin / 5, 150 ) / vmin;
+
 		transformSlides( {
 			overview: [
+				'scale('+ scale +')',
 				'translateX('+ ( -indexh * overviewSlideWidth ) +'px)',
-				'translateY('+ ( -indexv * overviewSlideHeight ) +'px)',
-				'translateZ('+ ( window.innerWidth < 400 ? -1000 : -2500 ) +'px)'
+				'translateY('+ ( -indexv * overviewSlideHeight ) +'px)'
 			].join( ' ' )
 		} );
 
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